Hunter 40120 Owner's Manual

Hunter 40120 Manual

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  • Hunter 40120 | Owner's Manual - Page 1
    Electronic/Mechanical Thermostat installation and operation manual Model 40120 1 44018-01 04-01-2008
  • Hunter 40120 | Owner's Manual - Page 2
    For assistance with wiring or operation, our Technical Support Group is available from 8 am to 5 pm CST. they may be reached toll-free at 1-888-830-1326. 2
  • Hunter 40120 | Owner's Manual - Page 3
    Table of Contents Important Information 5 Tools 6 Uninstalling the Existing Unit 9 Installing the Thermostat 12 Installing the wall plate 14 connecting the wires 15 attaching the thermostat 17 Operation 20 Indicators & Adjustments 22 Troubleshooting 25 Wiring Diagrams 27 3
  • Hunter 40120 | Owner's Manual - Page 4
    Electronic/Mechanical Thermostat Model 40120 Congratulations! Thank you for choosing a Hunter thermostat. Your new Hunter thermostat will provide years of reliable service and year-round energy savings. Please read this manual before beginning installation and save this booklet for complete
  • Hunter 40120 | Owner's Manual - Page 5
    important information This thermostat is designed to work on the following heating and cooling systems: Gas - Standing Pilot Gas - Electronic Ignition Gas - Fired Boilers Gas - Millivolt Systems Oil - Fired Boilers Oil - Fired Furnace Electric Furnace This thermostat is not designed for heat pump
  • Hunter 40120 | Owner's Manual - Page 6
    Tools This thermostat includes two #8 slotted screws and two wall anchors for mounting. To install your new thermostat, you will need the following supplies: Flat-head screwdriver Small Phillips-head screwdriver Hammer Electric drill and 3/16" bit Two fresh 1.5 Volt (AA) size alkaline
  • Hunter 40120 | Owner's Manual - Page 7
    NOTICE! Do not disconnect the wires from the existing thermostat before reading these instructions. The wires must be labeled prior to removal to ensure proper reconnection. 7
  • Hunter 40120 | Owner's Manual - Page 8
    RC Y G W RC Y G W 8
  • Hunter 40120 | Owner's Manual - Page 9
    to access the wires from the wall. (Some thermostats may have multiple covers, screws or other locking devices that must be removed or disengaged.) 3. Locate, but do not disconnect the wires. (If wires are not visible, they may be connected to the back of the wall plate. Some models may have doors
  • Hunter 40120 | Owner's Manual - Page 10
    If your existing thermostat is marked... RH / r / vr / 4 w / h g / f label the wire with this sticker: 24 Volt RH heating W fan G G W RH * See page 27 for complete wiring diagram. 10
  • Hunter 40120 | Owner's Manual - Page 11
    and should not be used. If you have a wire marked C, do not connect it to any terminal. This wire is used only for non-battery powered thermostats. 5. Do not let the wires slip back into the wall during disconnection. You may want to secure the wires to the wall as you disconnect them. After all
  • Hunter 40120 | Owner's Manual - Page 12
    installing the thermostat INSTALLING THE THERMOSTAT 1. Remove the new thermostat from the back plate by pulling the two halves apart. Wall Plate Thermostat 12
  • Hunter 40120 | Owner's Manual - Page 13
    G 13 RH W
  • Hunter 40120 | Owner's Manual - Page 14
    installing the thermostat, cont. INSTALLING THE WALL PLATE 2. Position the new wall plate on the wall and pull the labeled wires through the opening. 3. If the existing holes do not match those on the Hunter wall plate, or if there are no existing holes, level the wall plate and mark the wall for
  • Hunter 40120 | Owner's Manual - Page 15
    G W RH 15
  • Hunter 40120 | Owner's Manual - Page 16
    installing the thermostat, cont. CONNECTING THE WIRES 1. Loosen, but do not remove, the terminal screws. 2. Match and connect the wires from the wall to the terminals as shown. Wires should be inserted behind the black terminal shields. Tighten each screw after the connection has been made. (The
  • Hunter 40120 | Owner's Manual - Page 17
    HE/HG Switch 17
  • Hunter 40120 | Owner's Manual - Page 18
    4. Locate the HE/HG switch on the back of the thermostat. Set the switch to HG for a gas furnace or oil burner. Set the switch to HE for electric furnaces. 5. Insert two fresh AA alkaline batteries. 6. Align the thermostat with the the wall plate, and snap the two halves together. 7. Restore
  • Hunter 40120 | Owner's Manual - Page 19
    19
  • Hunter 40120 | Owner's Manual - Page 20
    System Switch Thermometer Set Temperature Slider SYSTEM OFF 90 HEAT 90 30 80 80 70 20 70 60 60 AUTO 50 10 50 ON F C F Fan Switch Battery Indicator 20
  • Hunter 40120 | Owner's Manual - Page 21
    2. The System Switch determines the operating mode of the thermostat. Select Off or Heat. 3. The Fan Switch should normally be located in the Auto position. To run the fan continuously, slide the Fan Switch to the On position. Note: In Auto , The fan will be turned on along with normal operation of
  • Hunter 40120 | Owner's Manual - Page 22
    3. The second warning is the Shut-down Indicator, indicated by the Battery Indicator flashing approximately twice every second. When this warning appears, the thermostat is shut down and will turn your system OFF. Your system will remain shut-off until you install two fresh AA alkaline batteries. 22
  • Hunter 40120 | Owner's Manual - Page 23
    Span Adjust SPAN 23
  • Hunter 40120 | Owner's Manual - Page 24
    or not often enough, then use a small Phillips-head screwdriver to turn the Span Adjust left or right to change the cycle time. 1. Remove the thermostat from the wall plate. 2. To make your system run LONGER, turn the Span Adjust clockwise. 3. To make your system run SHORTER, turn the Span Adjust
  • Hunter 40120 | Owner's Manual - Page 25
    it is set to the correct position. 1 b. Check the circuit breakers and switches to ensure there is enough power to the system. 1 c. Replace the batteries with fresh AA alkaline batteries. 1 d. If applicable, make sure the furnace blower door is closed properly. 2. My system continues to operate
  • Hunter 40120 | Owner's Manual - Page 26
    troubleshooting Is there help on the web? Yes. Visit http://www.hunterfan.com for more information. Can't I just call someone? Sure. Our Technical Support Group is available from 8 am to 5 pm CST. They may be reached toll-free at1-888-8301326. 26
  • Hunter 40120 | Owner's Manual - Page 27
    wiring diagrams 2-w ire HeatOnlySystem Rh W Heat24V or HeatRelay M illivoltSupply orValve 3-w ire HeatOnlySystem G Rh W Fan Heat24V Relay Supply HeatRelay orValve 27
  • Hunter 40120 | Owner's Manual - Page 28
    28 © 2007 Hunter Fan Company
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1
Electronic/Mechanical
Thermostat
Model 40120
installation and
operation manual
44018-01
04-01-2008